TV LED electronic forceps monitoring circuit diagram

Published:2011/3/30 21:19:00 Author:Ecco | Keyword: TV, LED electronic forceps | From:SeekIC

When the switch places(2), the output voltage is homology to input voltage, if the voltage were normal(200~240 V),both of two luminotrons couldn't be bright. When the voltage rises to 250 V, the rise of A electric potential will make red luminotron bright, when the switch places(2), then make output be 220V, the red luminotron again douses again. When Lou voltage drop arrived at 190 V, the green luminotron will be bright, the switch places(3).



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